Plants of South Eastern New South Wales

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Hibbertia aspera subsp. aspera

Common name

Rough guinea flower

Family

Dilleniaceae

Where found

Forest, woodland, and heath. Coast, ranges, and eastern edge of the tablelands.

Notes

Shrub to 0.6 m high, taller if a scrambling shrub. Stems hairy with simple and stellate hairs (needs a hand lens or a macro app on your phone/tablet to see). Leaves alternating up the stems, 0.28–1.87 cm long, 2–7 mm wide, upper surface hairy becoming hairless, covered with smooth warts; lower surface densely stellate hairy, margins more or less rolled down, tips rounded or squared off to notched. Flowers with 5 yellow petals each 3.1–6.2 mm long. Stamens 2-9, on one side of the carpels. Carpels 2, stellate-hairy (needs a hand lens or a macro app on your phone/tablet to see). Flowers in clusters of 1-3 at the tops of the stems, on stalks 1.3-7.4 mm long. Flowers spring-autumn.

Hybridises with Hibbertia empetrifolia subsp. empetrifolia in areas where the two species grow together, e.g. at Thirlmere, Picton Lakes, and Green Cape.

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Hibbertia~aspera  (accessed 19 January, 2021)

Description mainly based on:  Toelken, H.R. (1998), Notes on Hibbertia (Dilleniaceae) 2. The H. aspera - empetrifolia complex. Journal of the Adelaide Botanic Gardens 18(2): 126-130, figs 1B, 2F-I, 4A-K